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Case Studies on the Thermally Induced Stresses in Insulating Glass Units via Numerical Calculation

Schwind, Gregor ; Paschke, Franz ; Schneider, Jens (2022)
Case Studies on the Thermally Induced Stresses in Insulating Glass Units via Numerical Calculation.
Challenging Glass Conference 8. Ghent (23.06.2022)
doi: 10.47982/cgc.8.388
Konferenzveröffentlichung, Bibliographie

Kurzbeschreibung (Abstract)

In the structural design of facade glazing, various types of loads such as dead weight, wind and climatic loads (pressure differences) must be taken into account. In practice, however, there are many cases of damage that can be attributed to direct solar radiation. In these cases, a so-called thermally induced fracture takes place, which can occur as a result of large in-plane temperature differences within the glass. Due to the increasing complexity of glazing constructions, this load type should be taken into account in future glass design. For this reason, thermal-mechanical investigations, were conducted. Commercially used double and triple insulating glass units were considered as vertical glazing and the solar direct absorptance per glass pane was varied. For numerical calculations, measured temperature data from the German Weather Service and free available Clear Sky model data were used as meteorological input. The results show that solar irradiance, along with temperature, is the driving influence on the thermally induced stress in insulating glass units. The investigations indicate that the inner pane becomes relevant on colder days and the outer pane on warmer days. Results also show, that the level of the outside temperature plays a negligible role for the thermally induced stresses of the middle pane.

Typ des Eintrags: Konferenzveröffentlichung
Erschienen: 2022
Autor(en): Schwind, Gregor ; Paschke, Franz ; Schneider, Jens
Art des Eintrags: Bibliographie
Titel: Case Studies on the Thermally Induced Stresses in Insulating Glass Units via Numerical Calculation
Sprache: Englisch
Publikationsjahr: 25 Juli 2022
Ort: Ghent
Verlag: Ghent University
Buchtitel: Challenging Glass Conference Proceedings – Volume 8
Veranstaltungstitel: Challenging Glass Conference 8
Veranstaltungsort: Ghent
Veranstaltungsdatum: 23.06.2022
DOI: 10.47982/cgc.8.388
URL / URN: https://www.challengingglass.com
Kurzbeschreibung (Abstract):

In the structural design of facade glazing, various types of loads such as dead weight, wind and climatic loads (pressure differences) must be taken into account. In practice, however, there are many cases of damage that can be attributed to direct solar radiation. In these cases, a so-called thermally induced fracture takes place, which can occur as a result of large in-plane temperature differences within the glass. Due to the increasing complexity of glazing constructions, this load type should be taken into account in future glass design. For this reason, thermal-mechanical investigations, were conducted. Commercially used double and triple insulating glass units were considered as vertical glazing and the solar direct absorptance per glass pane was varied. For numerical calculations, measured temperature data from the German Weather Service and free available Clear Sky model data were used as meteorological input. The results show that solar irradiance, along with temperature, is the driving influence on the thermally induced stress in insulating glass units. The investigations indicate that the inner pane becomes relevant on colder days and the outer pane on warmer days. Results also show, that the level of the outside temperature plays a negligible role for the thermally induced stresses of the middle pane.

Fachbereich(e)/-gebiet(e): 13 Fachbereich Bau- und Umweltingenieurwissenschaften
13 Fachbereich Bau- und Umweltingenieurwissenschaften > Institut für Statik und Konstruktion
13 Fachbereich Bau- und Umweltingenieurwissenschaften > Institut für Statik und Konstruktion > Fachgebiet Statik und Dynamik der Tragstrukturen
13 Fachbereich Bau- und Umweltingenieurwissenschaften > Institut für Statik und Konstruktion > Fachgebiet Statik
Hinterlegungsdatum: 04 Aug 2022 05:25
Letzte Änderung: 04 Aug 2022 05:25
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